Here, we review the progress and most recent advances in phonon-polaritonics, an
emerging and growing field that has brought about a range of powerful possibilities for mid …

Passive daytime radiative cooling represents one of the boldest answers to tackle the future
cooling needs of the built environment and to mitigate urban heat island effects. Recent …

In this paper, we propose a switchable bi-functional metamaterial device based on a hybrid
gold-vanadium dioxide (VO_2) nanostructure. Utilizing the property of a metal-to-insulator …

We propose a dual-controlled switchable broadband terahertz (THz) metamaterial absorber
based on a hybrid of vanadium dioxide (VO_2) and graphene that demonstrates strong …

Merging the properties of VO2 and van der Waals (vdW) materials has given rise to novel
tunable photonic devices. Despite recent studies on the effect of the phase change of VO2 …

We numerically demonstrate a switchable metamaterial absorber with two states (ie, ultra-
broadband and narrowband) in the terahertz region. Such switchable functionalities are …

In a reciprocal medium, transmission of electromagnetic (EM) waves is symmetric along
opposite directions which restrict design and implementation of various systems in optics …

Achieving nearly perfect light absorption from the microwave to optical region utilizing
metamaterials has begun to play a significant role in photonics and optoelectronics due to …

Phase-transition materials provide exciting opportunities for controlling optical properties of
photonic devices dynamically. Here, we systematically investigate the infrared emission from …

Photoelectric conversion (PC) is an essential process for the devices based on the utilization
of electrical signals, such as solar cells, sensors, imaging, and communication. As an …